snowy resort image
Ski Japan - Hiroshima

Osa Snow Forecast

Weather Forecast for Osa at 700 m
Issued: 2 am  10 Dec 2025 (local time)

New snow in Osa

0.8cm0.3in
Fri 12th (AM)
The snow forecast for Osa is: Light rain (total 4.0mm) at first, then becoming colder with a dusting of snow on Fri morning. Freeze-thaw conditions (max 9°C on Thu morning, min -3°C on Fri afternoon). Winds increasing (calm on Wed afternoon, fresh winds from the NW by Thu night).

Osa Weather (Next 3 days): The snow forecast for Osa is: Light rain (total 4.0mm) at first, then becoming colder with a dusting of snow on Fri morning. Freeze-thaw conditions (max 9°C on Thu morning, min -3°C on Fri afternoon). Winds increasing (calm on Wed afternoon, fresh winds from the NW by Thu night).

Osa Weather (Days 4-6): Heavy rain (total 24.0mm), heaviest during Sun morning. Later becoming colder with a dusting of snow on Sun afternoon. Freeze-thaw conditions (max 5°C on Sat morning, min -1°C on Mon night). Winds increasing (calm on Sat morning, strong winds from the WNW by Sun afternoon).


Osa Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
-1
15
cloud
Bottom Lift: 
0
10
cloud
6 Day Forecast
Issued: 2 am 10 Dec 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
AM
PM
night
AM
PM
night
AM
PM
night
AM
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night
AM
PM
night
AM
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night
cloud
cloud
cloud
cloud
light rain
snow showers
light snow
part cloud
clear
clear
cloud
heavy rain
mod rain
light snow
light snow
snow showers
light snow
part cloud
cloudy
cloudy
cloudy
cloudy
light rain
snow shwrs
light snow
some clouds
clear
clear
cloudy
heavy rain
mod. rain
light snow
light snow
snow shwrs
light snow
some clouds
 km/h
10
W
5
WNW
10
SSW
20
SW
25
WSW
30
NW
20
NNE
20
NE
10
ENE
5
SE
5
SSE
5
SSW
15
WNW
40
WNW
25
WNW
25
WNW
25
WNW
15
WNW
Snow map
1
1
2
2
2
15
9
max °C
6
7
4
9
7
5
0
0
-2
5
5
2
3
1
1
2
2
1
min °C
4
3
3
6
7
0
0
-3
-3
1
1
1
2
1
0
1
0
-1
2
3
2
2
3
-6
-6
-8
-7
-1
-2
-2
-5
-6
-6
-5
-5
-5
57
39
48
58
90
78
96
77
63
50
41
98
98
85
94
80
82
86
1250
1750
2150
1950
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850
topbotSea lvl1000m2000m3000m4000m5000m
345660-3-4-21221-2-2-3-2-25548730-2-3332311210
Sunrise
7:05
7:07
7:07
7:09
7:09
7:09
Sunset
5:00
5:00
5:00
5:00
5:00
5:00

Snow Radar

Latest snow reports near Osa:

No recent snow reports

No recent snow reports

Osa Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall: 4 Dec 2025
Snow AlertsCreate Alert
Other resorts in Japan - Hiroshima are reporting: powder (0) / good piste (0)


Snow History

Week 2 of December has on average:
0.1
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.3
Powder days
Fresh snow, limited sun, any wind.
0.1
Bluebird days
Average snow, mostly sunny, light wind.